The cost of goods was lower when bought in large amounts.

VOA: special.2010.04.15

So, even if the cost is small, $10 a dose, it quickly amounts to a large amount of money.

因此,即使单只成本很小,可能只有十美元,但是这很快就会累积成为很大的金额

耶鲁公开课 - 生物医学工程探索课程节选

So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.

如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。

耶鲁公开课 - 金融市场课程节选

Many cannot pay the cost of a large slaughterhouse.

VOA: special.2010.08.03

Fenton says within three years the cost of large solar plants should be the same as for coal or oil power plants.

VOA: standard.2009.10.27

Last month, Gryzlov said the global economic crisis required Russia to reconsider the cost of maintaining the large number of Interior Ministry troops needed to enforce the counter-terrorism operation.

VOA: standard.2009.04.16

"There had recently been riots in Morocco due to the cost of wheat going up, so I traveled there to bake alongside Arab women in a large village oven.

VOA: standard.2010.07.16